Best team chat apps
Messaging apps for teams and communities, from hosted services to self-hosted servers.
24 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All team chat apps
- Alternatives to Slack
- Alternatives to Microsoft Teams
Chat, meetings and files for Microsoft 365 organizations.
Free plan + paidWeb, Windows, macOS, iOS, Android - Alternatives to Discord
Voice, video and text chat for communities.
Free plan + paidWeb, Windows, macOS, Linux, iOS, Android - Alternatives to Mattermost
Open-source, self-hosted team messaging for secure environments.
Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted - Alternatives to Rocket.Chat
Open-source chat platform with federation and omnichannel.
Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted - Alternatives to Zulip
Open-source chat organized by topic threads.
Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted - Alternatives to Pumble
A low-cost Slack-style team chat whose free plan includes unlimited users and message history.
Free plan + paidWeb, Windows, macOS, Linux, iOS, Android - Alternatives to Google Chat
Google Workspace's built-in team messaging, with spaces, threads and Gemini features alongside Gmail.
Free plan + paidWeb, iOS, Android - Alternatives to Chanty
A simple team chat app with built-in task management and a free plan for small teams.
Free plan + paidWeb, Windows, macOS, Linux, iOS, Android - Alternatives to TeamSpeak
A low-latency voice chat app for gaming groups and communities, with text chat and self-hostable servers.
Free plan + paidSelf-hostableWindows, macOS, Linux, iOS, Android, Self-hosted - Alternatives to Stoat
A free, open-source Discord-style chat app for communities, formerly known as Revolt.
Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted - Alternatives to Zoho Cliq
Zoho's team chat and calling app, with bots, automation and a free edition.
Free plan + paidWeb, Windows, macOS, Linux, iOS, Android - Alternatives to Flock
A team messenger with built-in to-dos, polls and video calls, free for teams of up to 20.
Free plan + paidWeb, Windows, macOS, iOS, Android - Alternatives to Mumble
A free, open-source, low-latency voice chat app with self-hosted servers.
Open sourceSelf-hostableWindows, macOS, Linux, Self-hosted - Alternatives to Campfire
A free, open-source, self-hosted group chat from 37signals that you install once on your own server.
Open sourceSelf-hostableSelf-hosted, Web - Alternatives to Chatwork
A Japanese business chat app with tasks and video calls, free for up to 100 users with limited history.
Free plan + paidWeb, Windows, macOS, iOS, Android - Alternatives to LINE WORKS
The business version of LINE, combining work chat with calendar, drive and boards, and a link to LINE users.
Free plan + paidWeb, Windows, macOS, iOS, Android - Alternatives to Zoom Team Chat
The messaging app inside Zoom Workplace, with channels, shared spaces and AI features alongside meetings.
Free plan + paidWindows, macOS, Linux, iOS, Android, Web - Alternatives to Brosix
A private, encrypted business instant messenger with admin controls and fixed-price small-team plans.
PaidWeb, Windows, macOS, Linux, iOS, Android - Alternatives to Ryver
A team chat and task management app priced as a flat monthly fee per team size.
PaidWeb, Windows, macOS, iOS, Android - Alternatives to Troop Messenger
An encrypted business messenger available as cloud SaaS or on-premises, popular with government and defence.
PaidSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted - Alternatives to Twist
An async-first team messaging app from Doist that organises conversations into threads.
Free plan + paidWeb, Windows, macOS, iOS, Android - Alternatives to Fluxer
A free, open-source Discord-style chat app for communities, with voice, video and self-hosting.
Open sourceSelf-hostableWeb, Windows, macOS, Linux, iOS, Android, Self-hosted - Alternatives to AWS Wickr
Amazon's end-to-end encrypted messaging and calling service for organisations, with a self-hosted edition.
PaidSelf-hostableWindows, macOS, Linux, iOS, Android, Self-hosted
Our picks by need
Best for most people
SlackBest for a free option
MattermostBest for open source
Rocket.ChatBest for self-hosting
ZulipBest for Mac
Microsoft TeamsBest for Windows
DiscordBest for Linux
PumbleBest for iPhone and Android
Google ChatPopular comparisons
Common questions
What are the best team chat apps?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading team chat apps right now are Slack, Microsoft Teams, Discord, Mattermost and Rocket.Chat.
Are there free team chat apps?
Yes. Slack (free plan + paid), Microsoft Teams (free plan + paid), Discord (free plan + paid), Mattermost (open source) and Rocket.Chat (open source) have a free option, out of 20 free or freemium apps we track.
Which team chat apps are open source?
Mattermost, Rocket.Chat, Zulip, Stoat, Mumble and Campfire, and 1 more.